Genetic DNA testing is one of the results of advances in scientific knowledge which is very useful today. These uses include paternity testing, testing for different genetic diseases during pregnancy, or for forensic investigations. Here are a few uses of genetic DNA testing and how it works.
The first use of genetic DNA testing is testing for paternity. This test determines whether a man is the biological father of a child or not. The reason for this is that there are many implications if there is doubt on the identity of a child’s biological father; implications for the relationship of both parents and between the father and child. Legal and financial implications are also present. An example for this would be determining is a man is responsible to financially support a child’s growing up needs, and if the DNA test turns out to be positive then he has to assume this responsibility. To determine this, they need to collect a sample of the DNA of the father, mother and child and compared them at various points. This method is highly accurate compared to the older methods. DNA testing is a painless procedure since you only need to use a swab of the cheek.
Another use of genetic testing is to help create a family tree and verify family history. The procedure for this case is to compare to others parts of the Y chromosome that does not change down through the generations. This can help establish ancestral lines since there will be similar characteristics in certain places of this specific chromosome for people who have a common ancestor.
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Genetic DNA testing is the best method to use if you want to know what race group you belong to or what race group is seen in your DNA. You will know your racial ancestry through the results of genetic DNA testing. There are laboratories that offer ancestral genetic testing and you can also find home packs that you can use to test your ancestry.
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Parents can do genetic DNA testing to find out the possibility that their unborn child will have diseases of health problems once born. Diseases are related to abnormalities in the DNA and DNA testing can discover this so that the parents of the unborn child can be warned of the possibility to the end that they will do whatever is best for the child.
The uses of genetic DNA testing discussed above are just some of the many uses of DNA testing. Since this type of testing does not take blood from a person it is generally non-invasive and painless since you only need DNA swabs which can be taken from the person’s cheeks. The DNA swabs are then analyzed in a laboratory to compare different DNA segments and so determine the results of the above tests.